Red brick lighthouse. Caption: Mosquito Inlet Light. On the seacoast of Florida, about 1 mile to the northward and westward of the entrance to Mosquito Inlet, and 52 miles SSE from St. Augustine Light-House."
Postmarked 1909. One cent stamp.
The Hugh C. Leighton Company (established c. 1905) merged with Valentine & Sons to become Leighton and Valentine Co. in 1909.